Magnetic lock



FIG. 1 is a perspective view of a magnetic lock, showing my new design;

FIG. 2 is a top view thereof, the bottom view being a mirror image of the top view;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a rear elevation view thereof; and,

FIG. 6 is a front elevation view thereof.

The portions of the magnetic lock shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a magnetic lock, as shown and described. 